<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>v-else if</title>
</head>
<body>
    <div id="app">
        <h2 v-if="score>=90">优秀</h2>
        <h2 v-else-if="score>=80">良好</h2>
        <h2 v-else-if="score>=60">及格</h2>
        <h2 v-else>良好</h2>
        <h2>{{result}}</h2>
    </div>
</body>
    <script src="../js/vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
               score: 80,
            },
            methods: {

            },
            computed: {
                result() {
                    let showMessage = '';
                    if (this.score >= 90){
                        showMessage = '优秀';
                    }else if (this.score >= 80){
                        showMessage = '良好';
                    }
                    return showMessage;
                }
            },
        })
    </script>
</html>